Genetic Factors: Certain inherited genetic mutations can significantly increase cancer risk. Environmental Exposures: Exposure to carcinogens such as tobacco smoke, radiation, and certain chemicals. Diet and Lifestyle: Poor diet, physical inactivity, and excessive alcohol consumption can elevate cancer risk. Infections: Some infections, such as Human Papillomavirus (HPV) and Hepatitis B and C, are linked to increased cancer risk. Age: The risk of cancer typically increases with age.